Introduction
In this article, we'll have a brief discussion 
of the performance, networking, and other improvements in Silverlight 5.
Performance
Performance has been improved in Silverlight 5 
in a number of ways:
- Significant improvement in performance 
	through the entire product
 - Startup performance has been improved 
	using a multi-core background JIT compiler
 - XAML parsing time has been improved 
	especially for UserControl and ResourceDictionary
 - Added 64-bit runtime version. Not in beta
 - Hardware accelerated rendering in Internet 
	Explorer 9 in windowless mode
 
Networking
And networking has its share of improvements:
- Network latency has been improved 
	significantly
 - 90% performance improvements in 
	ClientHttpWebRequest scenarios
 
Services
Added support for WS-Trust in WCF. (WS-Trust is 
a specification aimed to improve security and validation.)
Profiling and Testing
- Automated UI testing
 - Improved profiling support:
 - Memory
 - CPU
 - Thread contention
 
	 
Other
- Support for Windows Azure
 - In-Browser HTML support
 - Many more fixes and improvements 
	throughout the product